3 years ago

Solve for x. 3x−82=x−6 Enter your answer in the box. x =

Mathematics

1 answer:

My name is Ann [436]3 years ago

6 0

Get like terms together. you might have to move across the equals sign

3x-x=-6+82

2x=76

x=38

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iren [92.7K]

76÷4= ; x=19, you divide 76 by 4 because if he is 1/4 then it would be a group of one of the 4's, thus saying ehen you divide 76 by 4, it equals 19, so he is 19 years old, you could also do 19×4 and 22×4 to see which equals 76.

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3 years ago

An arithmetic series has seven terms. the first term is 5 and the last term is 53. find the sum of the series!

Kisachek [45]

The easiest way is to use (& to memorize) the sum formula for a AP:

Sum = 1st term added to the last term & multiplied by half the number of terms
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3 years ago

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san4es73 [151]

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Step-by-step explanation:

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2 years ago

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Marta_Voda [28]

Answer:

32x^25

Step-by-step explanation:

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3 years ago

Hodel just got her driver's license. Her parents offer her two options. 1. They'll buy her a used car that will cost her $0.50 p

Romashka-Z-Leto [24]

Answer:

The second option will cost her less than the first one.

Step-by-step explanation:

In order to solve this problem we will create two functions to represent the cost of the car in function of the miles drove by her.

For the first option we have:

$cost_1(x) = 0.5*x$

For the second option we have:

$cost_2(x) = 5000 + 0.1*x$

Since she intends to drive it for 10,000 miles per year for 6 years, then the total mileage she intends to drive her car is 60,000 miles. Applying this to the formula of each car and we have:

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The second option will cost her less than the first one.

7 0

3 years ago